Wind speed maps

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Author Message John Bunzick, CCS, CCCA Senior Member Username: bunzick Post Number: 283 Registered: 03-2002 Posted on Wednesday, November 10, 2004 - 09:01 am:    I'm trying to get more detailed maps of basic wind speeds per ASCE 7 than is available in the printed version of the International Building Code. It's pretty hard to discern where your project site falls based on those maps. I thought I remembered finding such maps in a larger scale somewhere on the internet, but I can't find them now. Does anyone know where they might be? Margaret G. Chewning CSI CCS Senior Member Username: presbspec Post Number: 37 Registered: 01-2003 Posted on Wednesday, November 10, 2004 - 10:30 am:    Have you tried the US Weather service? My husband is always checking out that site during hurricane season. I'll see if I can be the url from him. Curt Norton, CSI, CCS Senior Member Username: curtn Post Number: 72 Registered: 06-2002 Posted on Wednesday, November 10, 2004 - 11:52 am:    Check with your favorite structural engineer. I believe that ASCE-7-98 (and 02) offered a CD that you could look up wind and hurricane loads by zip code. Richard L Matteo, AIA, CSI, CCS Senior Member Username: rlmat Post Number: 77 Registered: 10-2003 Posted on Wednesday, November 10, 2004 - 12:25 pm:    You might also try and check with the local code authorities. They may have more specific info on local wind conditions. Sheldon Wolfe Senior Member Username: sheldon_wolfe Post Number: 100 Registered: 01-2003 Posted on Wednesday, November 10, 2004 - 12:36 pm:    Try your TV weather forecaster. I've found local TV and newspapers to be helpful, though often slow to respond. Joanne Rodriguez, CSI, CDT, LEED AP Senior Member Username: joanne Post Number: 6 Registered: 09-2004 Posted on Friday, November 12, 2004 - 11:57 am:    Both NRCA and Factory Mutual Global provide wind speed information for designed wind uplift. NOAA offers wind speed maps too. NRCA would be the easiest to locate. Vivian Volz Senior Member Username: vivianvolz Post Number: 9 Registered: 06-2004 Posted on Thursday, November 18, 2004 - 12:57 pm:    Hmm, have you tried to get your hands on the CD-ROM version of the IBC? Seems to me that the seismic map was reasonably user-friendly. Can't find my copy at the moment, but I wouldn't be surprised if the windspeed maps were in there, too. I hope you've solved your problem by now, but if not, I hope this helps.